NDLI: A sine wave delay estimator

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A sine wave delay estimator

Content Provider	IEEE Xplore Digital Library
Author	Hermanowicz, E. Rojewski, M.
Copyright Year	2009
Description	Author affiliation: Gdansk University of Technology, Faculty of Electronics, Telecommunications and Informatics, Poland (Hermanowicz, E.; Rojewski, M.)
Abstract	In the paper a novel open-loop solution of a sine wave sub sample time delay estimator operating in the discrete time domain is presented. The proposed solution is based on a concept of Hilbert transforming the reference-noised signal in order to estimate the phase difference relative to the received signal whose initial phase and delay are unknown. The engineered estimator works well around the normalized centre frequency equal to 0.25 of sampling rate (typical of some sonar or USG applications) with SNR (signal to noise ratio) higher than 15 dB. It allows for some slight detuning of the received signal from the above mentioned centre frequency. The performance of the time delay estimator is analysed and illustrated by the results of its operation in presence of noise.
Starting Page	87
Ending Page	90
File Size	371541
Page Count	4
File Format	PDF
ISBN	9781457714771
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2009-09-24
Publisher Place	Poland
Access Restriction	Subscribed
Rights Holder	Division of Signal Processin
Subject Keyword	AWGN Low pass filters Delay estimation Finite impulse response filter Signal to noise ratio
Content Type	Text
Resource Type	Article

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